diff --git a/src/__tests__/copy-matches-behaviour-guard.test.ts b/src/__tests__/copy-matches-behaviour-guard.test.ts
index 727b10d01..979e01cf6 100644
--- a/src/__tests__/copy-matches-behaviour-guard.test.ts
+++ b/src/__tests__/copy-matches-behaviour-guard.test.ts
@@ -92,6 +92,13 @@ const FINALITY_PHRASES: Record<string, readonly string[]> = {
   pl: ["nie można cofnąć", "nie można tego cofnąć", "trwale", "nieodwracaln"],
   ko: ["되돌릴 수 없", "복구할 수 없", "영구", "완전히 삭제"],
   nl: ["niet ongedaan", "definitief", "permanent", "onherroepelijk"],
+  "pt-BR": [
+    "não pode ser desfeit",
+    "não é possível desfazer",
+    "permanentemente",
+    "definitivamente",
+    "irreversível",
+  ],
 };
 
 /** Per-locale phrase that promises the short undo window. */
@@ -104,6 +111,7 @@ const UNDO_PHRASES: Record<string, string> = {
   pl: "cofnąć",
   ko: "되돌릴 수 있",
   nl: "ongedaan maken",
+  "pt-BR": "desfazer",
 };
 
 /** Confirmation bodies whose surface renders an Undo affordance. */
@@ -189,6 +197,7 @@ describe("sleep debt is labelled as a balance, not a summed deficit", () => {
     pl: ["skumulowan", "niedobór", "niedoboru"],
     ko: ["누적", "부족분", "적자", "쌓인"],
     nl: ["cumulatief", "opgeteld", "tekort", "opgebouwd"],
+    "pt-BR": ["acumulad", "déficit", "deficit", "somad"],
   };
 
   for (const locale of LOCALES) {
@@ -326,6 +335,17 @@ describe("the mood prognosis never states a cause", () => {
       "verlaagt je",
       "verhoogt je",
     ],
+    "pt-BR": [
+      "porque",
+      "por causa de",
+      "devido a",
+      "provoca",
+      "leva a",
+      "melhora o seu",
+      "melhora a sua",
+      "piora o seu",
+      "piora a sua",
+    ],
   };
 
   /** Every leaf string under `insights.mood.prognosis`, flattened. */
@@ -430,6 +450,12 @@ describe("the MCP token copy never claims the mint is read-only", () => {
       "alleen-lezentoken",
       "token met alleen leesrechten",
     ],
+    "pt-BR": [
+      "token somente leitura",
+      "token de somente leitura",
+      "token só de leitura",
+      "token apenas de leitura",
+    ],
   };
 
   for (const locale of LOCALES) {
@@ -480,6 +506,7 @@ describe("AI consent withdrawal copy matches what withdrawing does", () => {
     pl: ["własnym kluczu", "lokalnym modelu"],
     ko: ["자신의 키", "로컬 모델"],
     nl: ["eigen sleutel", "lokaal model"],
+    "pt-BR": ["sua própria chave", "modelo local"],
   };
 
   for (const locale of LOCALES) {
diff --git a/src/__tests__/sharing-boundary-copy.test.ts b/src/__tests__/sharing-boundary-copy.test.ts
index 55c6d2f14..b0731e96c 100644
--- a/src/__tests__/sharing-boundary-copy.test.ts
+++ b/src/__tests__/sharing-boundary-copy.test.ts
@@ -105,7 +105,7 @@ describe("the published boundary matches the one the code draws", () => {
     expect(accessDescription()).toMatch(/allergies, family history/i);
   });
 
-  it("keeps the refusal paragraph honest in all six locales", () => {
+  it("keeps the refusal paragraph honest in every locale", () => {
     // The delegate-facing half. It is shown on a page sharing does NOT cover,
     // so a sentence that over-claims there is read at the exact moment
     // somebody is working out where the edge is.
@@ -125,7 +125,7 @@ describe("the published boundary matches the one the code draws", () => {
       // And it must still say the account itself stays with its owner —
       // dropping that would fix one over-claim by removing the boundary.
       expect(text, locale).toMatch(
-        /konto|account|compte|cuenta|konta|koncie|계정/i,
+        /konto|account|compte|cuenta|konta|koncie|conta|계정/i,
       );
     }
     expect(missing).toEqual([]);
diff --git a/src/components/clinician/__tests__/clinician-view-locales.test.tsx b/src/components/clinician/__tests__/clinician-view-locales.test.tsx
index fd3198b0e..366f794a4 100644
--- a/src/components/clinician/__tests__/clinician-view-locales.test.tsx
+++ b/src/components/clinician/__tests__/clinician-view-locales.test.tsx
@@ -223,9 +223,9 @@ const FULL_RECORD = {
 const DOTTED_KEY = /\b[a-z][A-Za-z0-9]*(\.[A-Za-z0-9_]+){2,}\b/g;
 
 describe("<ClinicianView> resolves every label in every locale", () => {
-  it("covers all eight shipped locales", () => {
+  it("covers all nine shipped locales", () => {
     // A floor: an empty locale list would make the loop below assert nothing.
-    expect(locales.length).toBe(8);
+    expect(locales.length).toBe(9);
   });
 
   for (const locale of locales) {
diff --git a/src/components/settings/access/__tests__/managed-profile-affordances.test.tsx b/src/components/settings/access/__tests__/managed-profile-affordances.test.tsx
index a90c813e9..c9b4afe3e 100644
--- a/src/components/settings/access/__tests__/managed-profile-affordances.test.tsx
+++ b/src/components/settings/access/__tests__/managed-profile-affordances.test.tsx
@@ -34,6 +34,7 @@ import { join } from "node:path";
 import { renderToStaticMarkup } from "react-dom/server";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 
+import { locales } from "@/lib/i18n/config";
 import { I18nProvider } from "@/lib/i18n/context";
 import { ApiError } from "@/lib/api/api-fetch";
 import type { AccountAccessEntry } from "@/lib/sharing/account-access-view";
@@ -285,12 +286,12 @@ describe("the managed-profile card, in the shared-access section", () => {
     }
     // The timezone control is the shared picker, which labels itself.
     expect(html).toContain('id="managed-profile-timezone"');
-    // Eight languages offered, which is the route's enum exactly.
+    // Every shipped language offered, which is the route's enum exactly.
     const options =
       /<select[^>]*data-slot="managed-profile-locale"[\s\S]*?<\/select>/
         .exec(html)?.[0]
         .match(/<option/g) ?? [];
-    expect(options).toHaveLength(8);
+    expect(options).toHaveLength(locales.length);
     // Four sex options, and the first is the empty one: null is a real answer
     // ("not recorded") rather than an absent field, and a form offering only
     // the three enum members would make it unsayable.
diff --git a/src/lib/mood/__tests__/context-vocabulary.test.ts b/src/lib/mood/__tests__/context-vocabulary.test.ts
index 806a810e0..717eca9af 100644
--- a/src/lib/mood/__tests__/context-vocabulary.test.ts
+++ b/src/lib/mood/__tests__/context-vocabulary.test.ts
@@ -73,10 +73,10 @@ const VALUE_GROUPS: Array<{ group: string; keys: readonly string[] }> = [
 ];
 
 describe("mood context vocabulary labels", () => {
-  it("reads eight locales and a non-empty vocabulary", () => {
+  it("reads nine locales and a non-empty vocabulary", () => {
     // Both ends have to be there before anything below proves anything. A
     // guard that walks an empty list is a green light nobody earned.
-    expect(LOCALES.length).toBe(8);
+    expect(LOCALES.length).toBe(9);
     expect(VALUE_GROUPS.length).toBeGreaterThan(0);
     const total = VALUE_GROUPS.reduce((n, g) => n + g.keys.length, 0);
     expect(total).toBeGreaterThan(30);
diff --git a/src/lib/onboarding/__tests__/first-result-config.test.ts b/src/lib/onboarding/__tests__/first-result-config.test.ts
index 42dee9278..a386869cd 100644
--- a/src/lib/onboarding/__tests__/first-result-config.test.ts
+++ b/src/lib/onboarding/__tests__/first-result-config.test.ts
@@ -186,8 +186,8 @@ describe("connect-source state copy", () => {
       ) as Record<string, never>,
     }));
 
-  it("covers all eight locales", () => {
-    expect(LOCALES.length).toBe(8);
+  it("covers all nine locales", () => {
+    expect(LOCALES.length).toBe(9);
   });
 
   it.each(LOCALES)(